Pivoting Knee Joint for Diverse Applications

Publication ID: 24-11857394_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Pivoting Knee Joint for Diverse Applications,” Published Technical Disclosure No. 24-11857394_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857394_0007_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,394.

Summary of the Inventive Concept

A thigh prosthetic component with a pivoting knee joint is adapted for use in various industries, including robotic harvesting, search and rescue, underwater exploration, exoskeleton-assisted rehabilitation, and space exploration.

Background and Problem Solved

The original patent for a thigh prosthetic component was limited to its application in prosthetics. However, the core technology of the pivoting knee joint has the potential to be applied to other fields, addressing the need for adaptable and versatile joints in diverse industries.

Detailed Description of the Inventive Concept

The inventive concept involves adapting the thigh prosthetic component's pivoting knee joint for connection to various systems, such as robotic harvesting arms, underwater propulsion systems, exoskeletons, and space suits. The knee joint's ability to pivot between a stance position and a swing position enables navigation of uneven terrain, rubble, underwater currents, and low-gravity environments. The new claims provide a comprehensive solution for industries requiring adaptable and versatile joints.

Novelty and Inventive Step

The new claims introduce a novel application of the pivoting knee joint technology, extending its use beyond prosthetics to diverse industries. The inventive step lies in the recognition of the core technology's potential for adaptation and its implementation in various fields.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include modifying the knee joint's design for specific industries, such as adding sensors for underwater exploration or adjusting the joint's flexibility for search and rescue operations. Variations could also involve integrating the pivoting knee joint with other technologies, such as artificial intelligence or advanced materials.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including agriculture, emergency response, marine exploration, healthcare, and space exploration. The target market includes companies and organizations seeking adaptable and versatile joints for their systems and applications.

CPC Classifications

SectionClassGroup
A A61 A61F2/64
A A61 A61F2/642
A A61 A61F2/6607
A A61 A61F2/74
A A61 A61F2002/6614

Field of Art

Prosthetic and robotic joint mechanisms, specifically biomechanical systems involving articulated limb components with pivoting capabilities across medical, robotic, and assistive technology domains

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or robotics specialist with expertise in joint design, mechanical engineering, and interdisciplinary adaptation of biomechanical systems, possessing knowledge of articulation mechanisms, material science, and cross-industry technology transfer

Obviousness Rationale

A PHOSITA would recognize the fundamental adaptability of the pivoting knee joint mechanism disclosed in the source patent as inherently transferable across multiple technical domains. The core mechanical principles of stance and swing positioning are universally applicable, making the extension to robotic, exploration, and assistive technologies a predictable engineering variation. The source patent's detailed knee joint mechanics provide a direct technical foundation for reimagining the component's application beyond prosthetic limb design.

Obvious Combinations & Variations

Source Patent Element
Knee joint with pivotable upper and lower parts connected by articulated arms
PTD Variation
Adaptation for robotic harvesting arm navigation
Obviousness Reasoning
Predictable application of existing joint mechanics to alternative locomotion scenarios, representing a standard design transfer technique
Source Patent Element
Adjustable flexion stop mechanism in knee joint
PTD Variation
Modifying joint flexibility for search and rescue terrain traversal
Obviousness Reasoning
Known technique of parameterizing joint range of motion for specific environmental challenges
Source Patent Element
Ventral and dorsal connecting elements with variable length
PTD Variation
Integrating joint with underwater propulsion and space exploration systems
Obviousness Reasoning
Systematic engineering approach of adapting standardized joint mechanisms to diverse operational environments
Source Patent Element
Pivoting mechanism between stance and swing positions
PTD Variation
Exoskeleton-assisted rehabilitation mobility enhancement
Obviousness Reasoning
Logical extension of biomechanical joint design principles to assistive medical technologies
Source Patent Element
Knee joint upper and lower part operative connection
PTD Variation
Low-gravity environment navigation in space exploration
Obviousness Reasoning
Predictable engineering adaptation of existing joint mechanics to alternative gravitational conditions
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed herein would have been obvious to a person of ordinary skill in the art at the time of invention, based on the teachings of US Patent 11857394. The fundamental mechanical principles of the source patent's knee joint mechanism provide a clear and predictable pathway for adapting the technology across multiple technical domains, rendering subsequent claims of novelty unpersuasive.

Original Patent Information

Patent NumberUS 11,857,394
TitleThigh prosthetic component